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Caution

: In this Manual, some parts can be changed for improving. their
performance without notice in the parts list. So, if you need the
latest parts information, please refer to PPL(Parts Price List)in
Service Information Center.

Service Manual

42" PLASMA PDP TV

CHASSIS :

Model :

SP-221P

DPP-42A1LCSB

S/M NO : PP42A1L001

MAR. 2005

Содержание DPP-42A1LCSB

Страница 1: ...ing their performance without notice in the parts list So if you need the latest parts information please refer to PPL Parts Price List in Service Information Center Service Manual 42 PLASMA PDP TV CH...

Страница 2: ...5 3 Screen 30 5 4 Features 30 6 Service Mode 31 7 Power PCB 33 7 1 Input and Environmental Requirement 33 7 2 Output Characteristics 33 7 3 Function of Protection 33 7 4 Connector Specification 34 8 P...

Страница 3: ...G make sure to check if any screw is missing when assembling reassembling Do not leave any screws inside the set 5 If you open the BACK COVER you will see a Panel Gas Exhaust Tube Picture 1 1 inside t...

Страница 4: ...50 60Hz Y C 1 Port 3 2 DTV DVD INPUT 1080i 720P 480P 480i 576P 576i Y Pb Cb Pr Cr COMPONENT SIGNAL 2 Ports 3 3 SCART INPUT SCART COMPOSITE R G B SOUND R L 2 Ports 3 4 PC INPUT VGA SXGA Dot clock 110MH...

Страница 5: ...l Selection TV VIDEO DVD CATV SAT 10 KEYS 0 10 Recall VCR DVD KEY F R SLOW Play F F SLOW Stop PAUSE OPEN CLOSE PREV NEXT MENU TV AV Component PC DVI STILL PREV PR MUTE PR UP DOWN VOL UP DOWN SCREEN MO...

Страница 6: ...09 VESA O O 640 X 480 37 500 75 000 VESA O O 720 X 400 31 469 70 087 IBM O O 35 156 56 250 VESA O O 800 X 600 37 879 60 317 VESA O O 1024 X 768 48 363 60 004 VESA O O 2 Component z 1080i 50 60Hz z 720...

Страница 7: ...6 Product Specification 2 3 Remote Control Setup Code...

Страница 8: ...SAI 021 029 055 DAWA 155 DAYTRON 021 061 DE GRAAF 113 177 DECCA 039 044 047 065 090 148 155 166 175 DECCA UK 054 DEGRAAF 015 039 049 054 065 113 148 DEITRON 021 DENKO 029 DENON 113 DESMET 155 DIAMANT...

Страница 9: ...8 Product Specification...

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Страница 28: ...27 DPP 42A1LCSB Inside Features 3 The Features of Inside...

Страница 29: ...Speaker L AV1 AV2 SUB B D FFC Cable DVI Audio DVI PC Audio PC D SUB Component1 2 S VHS AV3 Main Tuner Sub Tuner RS 232 Upgrade LED PCB 4850710S22 4859004460 4850712S06 485070S18 4850710S26 12V 5V 33V...

Страница 30: ...in picture mode Function Default Value Colour Temp Normal N R NR1 CTI On z N R means the noise reduction z DVI PC don t support N R and CTI functions 2 Sound 1 Mode Normal Movie Music News User 120 Hz...

Страница 31: ...ble only in PC mode 4 Features 1 Mode Function Background Language Child Lock MGDI Auto Power Default Value 10 English Off On Off z DVI PC don t support MGDI function 2 Time Setting Function Clock Aut...

Страница 32: ...adjustment All inputs z Bias G For G BRIGHTNESS adjustment All inputs z Bias B For B BRIGHTNESS adjustment All inputs z Gain R For R CONTRAST adjustment All inputs z Gain G For G CONTRAST adjustment...

Страница 33: ...TXT Lang TXT T F Default Value On Auto TOP z Tst Ptrn AT shows five cycled patterns white black red green blue every 1 minute automatically z Tst Ptrn MA shows five cycled patterns manually by pressi...

Страница 34: ...Voltage Variation Range AC85V to AC276V Operating Humidity Range 20 to 80 Nominal Frequency 50 60 Hz Storage Temperature Range 20 to 60 deg Frequency Variation Range 47Hz to 63Hz Storage Humidity Rang...

Страница 35: ...re 5Vctrl 6 0A or more 5V 4 6A or more 12V 2 1A or more 3 4V 11 5A or more 33V 0 011 or more 34V 1 7A or more 5Vstby 3 0A or more Vs 210V 225V Va 73V 81V 5Vctrl 5 6V 7 5V All Output Shut down Shut dow...

Страница 36: ...lassify that PDP module as a fault and contact to PDP module maker z Input Video Pattern 100 IRE Full White Pattern Figure 3 Voltage Adjustment Label 1 Vs Sustain Voltage Discharge Sustain Voltage z M...

Страница 37: ...ent Equipment Digital Volt Meter DC volt mode z Adjusting TP Va TP z Adjusting Location RV401 z Optimum Adjusting Voltage The voltage which is written in the label located in upper right side of the P...

Страница 38: ...nt Digital Volt Meter DC volt mode z Adjusting TP Vcc TP z Adjusting Location RV501 z Optimum Adjusting Voltage The voltage which is written in the label located in upper right side of the PDP module...

Страница 39: ...e Filter EMI S N 5PZCAT3035 1 Turn with AV3 Cable as shown in the figure below 2 Insertion of Ring Core to the Power Cable Insert a Ring Core Filter EMI S N 5PZCA2009A to 7 pin and 10 pin Power Cable...

Страница 40: ...800 DIGITAL B D part CLAMP WIRE S N 4856818800 CLAMP WIRE S N 4856815900 Place these CLAMP WIRES as shown in the figure below Make LVDS Cable not to touch on the Terminal Plate while connecting b VIDE...

Страница 41: ...S N 485A100071 Position From top of Scart to Terminal Channel Gasket 5 Shieldron Tape on DVI Input Tape EMI S N 485A100571 attach vertically 3 X 4 2 Cm Position From top of DVI to Terminal Channel Gas...

Страница 42: ...e to the serial port of the computer 3 Connect the opposite end of the serial cable to RS 232C port of SUB PCB 4 Run Flashupgrader exe in the PC to excute the program as shown below 5 Select current U...

Страница 43: ...WARE UPGRADE Method 6 Select correct COM Port and Baud Rate 115200 as shown below Then press Flash button to finish setup 7 Turn on the ac power and then upgrade program will start the download as sho...

Страница 44: ...43 SOFTWARE UPGRADE Method 8 When the upgrading is complete a window below will be opened Press Finish button to complete the process...

Страница 45: ...Diode Voltage Short open test 2 Screwdriver or electric screwdriver Plastic adjusting tool 3 Oscilloscope for detailed examination only z Before replacing PCBs you MUST turn the AC switch OFF z After...

Страница 46: ...the connectors several minutes after AC power is off To be more careful using a Multimeter you should check to see if Vs is less than 10V and then connect connectors Definition z Red LED Stand by sta...

Страница 47: ...e connection of Jack PDP and AV device Is LVDS connection correctly connected Check LVDS connection between Digital B D and Main B D Does input source AV device work Check AV device Check other connec...

Страница 48: ...device properly connected Connect the jack and check the sound again Is speaker cable correctly connected check P603 P604 Connect the cable and check the sound again Is input source TV Connect the cab...

Страница 49: ...to LOW Turn AC power ON Stand By Turn on the set Green LED Is SHUT DOWN occured Connect CN806 back and disconnect CN801 CN803 CN804 CN805 Set Power PCB s voltage switch to HIGH Go to Low Voltage Shut...

Страница 50: ...wer PCB Done Disconnect P6 of Y SUS B D Turn AC power off Turn on the set after AC power on Is SHUT DOWN occured Turn AC power off Turn AC power off Disconnect P3 of Z SUS Go to Z SUS Digital B D Data...

Страница 51: ...and Digital Done Turn AC power off Replace Data B D Connect P3 back and turn on the set after AC power on Go back to Low Voltage Shut Down part again Y N Turn AC power off Is SHUT DOWN occured Connec...

Страница 52: ...C power on Is SHUT DOWN occured Replace Y SUS B D Replace Scan B D Done Turn AC power off Y N Turn AC power off Connect all cables and set voltage switch to High Done Disconnect P3 P4 of Y SUS Connect...

Страница 53: ...ct P1 of Z SUS back Disconnect P5 of Y SUS and P3 of Z SUS Turn the set on after AC power on Is Shut Down occured Turn AC power off Turn AC power off Turn AC power off Turn AC power off Replace Y SUS...

Страница 54: ...W AC ON Check the AC connection Check the Power S W on Turn on the set using remote control Dees LED turn on to green light Replace the Main B D Replace the Key PCB Check the connector of Key PCB Chec...

Страница 55: ...ote control Dees LED turn on to green light Check the other buttons of remote control Try to turn on the set using Key button Check the battery of remote control Replace the Main B D Done N Y N Y Are...

Страница 56: ...on Check Start Replace the Main B D Replace the LED PCB Done Check the battery of remote control Is the remote control working Replace the Key PCB Turn the AC Power ON Try to turn on the set using rem...

Страница 57: ...o you still see the weak discharge or abnormal discharge on the screen Replace the Y SUS Do you still see the weak discharge or abnormal discharge on the screen Replace the Z SUS Do you still see the...

Страница 58: ...s the set correctly working Replace Y SUS Z SUS and Scan B D Done Y N Y N 9 Particular Input Signal Video PC TV or Component Does Not Work Check Start Is the input Jack correctly connected Connect the...

Страница 59: ...perate normally Turning off and on the AC power make the set to operate normal again Upgrade the software first If you still see the same symptom replace the Main and Sub B D C Images are abnormal Che...

Страница 60: ...22 2 ULW 350 14 4850707S18 CONNECTOR YMH025 07R 171822 7 ULW 300 15 4850703N40 CONNECTOR 25045HP 03 25048HS 03 ULW 150 16 4850704S72 CONNECTOR YH396 04V YH396 04V ULW 200 17 4850710S27 CONNECTOR YH396...

Страница 61: ...KER SYSTEM SS 63A01 41 485A100071 TAPE EMI CU NI T0 13 VER1 42 485A100571 TAPE EMI CU NI 30X42XT0 2 43 4853633300 TERMINAL COVER A5052 T1 0 44 4853635200 TERMINAL PLATE A5052 T1 0 45 48B5353J17 TRANSM...

Страница 62: ...61 13 STRUCTURE OF PDP SET...

Страница 63: ...UPPORT 1a Y SUS B D 1b Z SUS B D COMPONENT PICTURE REMARK 1 PDP MODULE With F SUPPORT 1a Y SUS B D 1b Z SUS B D COMPONENT PICTURE REMARK 1 PDP MODULE With F SUPPORT 1a Y SUS B D 1b Z SUS B D COMPONENT...

Страница 64: ...63 STRUCTURE OF PDP SET COMPONENTS PICTURE REMARK 1d Data Relay PKG L 1e Data Relay PKG R 1f Scan Relay PKG T 1g Scan Relay PKG B...

Страница 65: ...STRUCTURE OF PDP SET 64 COMPONENT PICTURE REMARK 1h Digital PKG 2 MAIN BOARD 3 SUB BOARD 4 POWER BOARD...

Страница 66: ...65 STRUCTURE OF PDP SET COMPONENTS PICTURE REMARK 5 FRONT MASK 6 FILTER GLASS 7 BACK COVER...

Страница 67: ...66...

Страница 68: ...DAEWOO ELECTRONICS CORP PRINTED DATE Nov 2005 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA...

Страница 69: ...E MANUAL CAUTION 1 BEFORE SERVICING THE PDP MODULE READ THE SAFETY PRECAUTIONS IN THIS MANUAL 2 WHEN REPLACEMENT PARTS ARE REQUIRED BE SURE TO USE REPLACEMENT PARTS SPECIFIED BY THE MANUFACTURER MODEL...

Страница 70: ...e is generated on the screen 2 9 One or more horizontal line is generated on screen 2 10 Lightness of screen is wholly darken though there is input signal pattern 2 11 Different color is shown partial...

Страница 71: ...s damaged or if the connector is loose do not use the product otherwise this can lead to fire or electric shock 10 If the power connector or the connector of the power cable becomes dirty or dusty wip...

Страница 72: ...ed values of the electrical specifications are guaranteed within these conditions Always use the product within the range of the recommended operating conditions Otherwise the reliability of the produ...

Страница 73: ...1080 m V 4 Cell Pitch 320 m H x 1080 m V Base Green Cell 5 Display area 920 1 H x 518 4 V 0 5mm 6 Outline dimension 1005 H x 597 V x 60 6 D 1mm 7 Color arrangement RGB Closed type 8 Number of COLRO R...

Страница 74: ...PCB ASS Y PWB PCB ASS Y PWB PCB ASS Y PWB PCB ASS Y PWB PCB ASS Y PWB PCB ASS Y PWB PCB ASS Y PWB PCB ASS Y LVDS CTRL B D ASS Y HITACHI COPPER LVDS CTRL B D ASS Y LVDS OUTER SIDE CTRL B D ASS Y PB FR...

Страница 75: ...V to 200V more than 10A DC power supply for Va 1 Should be changeable between 0V to 100V more than 5A DC power supply for 5V 1 Should be changeable between 0V to 10V more than 10A DC DC Converter Jig...

Страница 76: ...cc 5V Va 65V Vs 187V 3 The power of power supply must turned on by this sequence Reverse direction When turning off Module on 5V Va Vs Module off Vs Va 5V 4 Signal generator should be selected with 85...

Страница 77: ...L B D 5 Measure the output wave of X Y Z B D with oscilloscope more than 200MHz and find the trouble of B D by comparing the output wave with below figure Measure Point fo Y B D Bead B39 Measure Point...

Страница 78: ...10 Y B D Output wave 1SF Z B D Output wave 1SF X B D Output wave 1frame Va measurement...

Страница 79: ...be shown Equality with 2 1 2 2 The screen doesn t be shown as Data TCP Include not be shown part of DataTCP quantity or a part 1 The problem between Data TCP and X B D is more possible that the screen...

Страница 80: ...R B D 8pin XR B D and XL B D 5pin power connector Screen Display Form 2 4 Regular Stripe is Generated about the Quantity of one Data TCP IC or more 1 In case of generating regular stripe about the qua...

Страница 81: ...direction 2 6 The screen has a vertical line with regular gap A vertical stripe flash at especial color 1 This is a problem about CTRL B D 2 Replace the CTRL B D Screen Display Form 2 7 A data copy is...

Страница 82: ...on isn t complete 2 Check the power cord of Z B D 3 Check the connector of Z B D and CTRL B D 4 Replace the CTRL B D or Z B D 2 11 The screen displays other color partially on full white screen or hap...

Страница 83: ...ng GND B32 Y B D O Wave format When the Set_dn does not descend until Vy 3 3 FET Ass y Y B D HS1 Damage 1 When Set_Up FET is damaged screen doesn t be shown O Test Point Enlarge the after measuring GN...

Страница 84: ...op or Bottom s SCAN IC 3 Screen shaked horizontally when Y DRV B D Top and Bottom cable is poor O Test Point ICT measurance of GND Y DRV B D output O Wave format As shown below figure 4 In case of sho...

Страница 85: ...be shown or happens discharge partially O Test Point Enlarge the after measuring output TP of GND TCP O Wave format Output wave doesn t come out O Measurance position Enlarge the after measuring outp...

Страница 86: ...ou must only replace FD3284F IC Different IC application being not right When replacing the IC notice To prevent dust fix the same IC after removing the silicon and then it again stick the IC B D appl...

Страница 87: ...English 19 Block Diagram DC Power Supply for 5V DC Power Supply for Va DC Power Supply for Vs...

Страница 88: ...omponents list of PDP42V7 Model is as below 2 A component of mark is important to keep product s security Therefore in exchanging a component appointed component is necessary used 3 is an abbreviated...

Страница 89: ...English 21...

Страница 90: ...Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Initial Product Initial...

Страница 91: ...2005 03 04 Part Number 4921QP1031A 4921QP1031A 0ILNRFE001A 0ILNRD1002A 4921QF2007A Remark Initial Product Initial Product Initial Product Initial Product COMPONENT Y IPM YSUS B D IC15 Z IPM ZSUS B D...

Страница 92: ...24 3 ROM DATA No 1 2 Date 2005 03 04 2005 03 04 Contents Inner Type LVDS Initial ROM Data External Type LVDS Initial ROM Data ROM Data Version 42V73DN03 42V73LV03...

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